Lab Grown Diamond Market
As of September 2026, there are 19,419,841 lab grown diamond listings available across retailers worldwide. The average price per carat is $1,694 CAD. Prices have decreased by 7.9% over the past 30 days.
Last updated: September 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
7.3M
Oval
3.0M
Pear
2.0M
Emerald
1.5M
Cushion
1.3M
Radiant
1.3M
Marquise
1.2M
Princess
911K
Heart
453K
Asscher
276K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$1.1K
0.30-0.49ct
$1.1K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$965
1.25-1.49ct
$900
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.4K
2.50-2.99ct
$1.3K
3.00-3.99ct
$1.5K
4.00-4.99ct
$1.7K
5.00-9.99ct
$1.8K
10.00+ct
$1.4K
unknownct
$1.4K
Available Shapes
Round
7,308,186 listings
Avg: $2,570 CAD/ct
Oval
3,049,082 listings
Avg: $2,053 CAD/ct
Pear
2,021,950 listings
Avg: $1,760 CAD/ct
Emerald
1,453,748 listings
Avg: $1,702 CAD/ct
Cushion
1,329,025 listings
Avg: $1,550 CAD/ct
Radiant
1,290,602 listings
Avg: $1,539 CAD/ct
Marquise
1,197,592 listings
Avg: $1,536 CAD/ct
Princess
911,209 listings
Avg: $1,587 CAD/ct
Heart
453,110 listings
Avg: $1,520 CAD/ct
Asscher
276,100 listings
Avg: $1,507 CAD/ct
Other
101,498 listings
Avg: $1,008 CAD/ct
Trillion
18,480 listings
Avg: $959 CAD/ct
Baguette
7,693 listings
Avg: $715 CAD/ct
Sq_radiant
1,566 listings
Avg: $615 CAD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 88,671 | $1,439 CAD |
| 0.30-0.49 | 789,533 | $1,500 CAD |
| 0.50-0.74 | 1,271,892 | $1,424 CAD |
| 0.75-0.99 | 807,906 | $1,440 CAD |
| 1.00-1.24 | 3,684,023 | $1,304 CAD |
| 1.25-1.49 | 864,946 | $1,216 CAD |
| 1.50-1.99 | 3,541,117 | $1,645 CAD |
| 2.00-2.49 | 2,633,324 | $1,849 CAD |
| 2.50-2.99 | 1,412,832 | $1,791 CAD |
| 3.00-3.99 | 2,013,181 | $2,010 CAD |
| 4.00-4.99 | 1,079,078 | $2,250 CAD |
| 5.00-9.99 | 1,052,384 | $2,457 CAD |
| 10.00+ | 163,071 | $1,919 CAD |
| unknown | 17,883 | $1,853 CAD |